"永结同心,白头偕老,早生贵子"用英语怎么说

Hearts always united，remain happily married to a ripe old age，and may you soon have a dear son

永结同心: live togther with one heart
白头偕老: live to a ripe old age in conjugal bliss
早生贵子: give birth to baby earlier

always be in love白头到老
forever have the same thought永结同心
give birth to a baby as soon as possible早生贵子